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ch. 50 oxygenation
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Adventitious breath sounds
abnormal breath sounds
Apnea
absence of any breathing
Atelectasis
collapsed alveoli
Biot's (cluster) respiration
shallow breaths interrupted by apnea
Cheyne-Stokes respirations
marked rhthmic waxing and waning of respirations, from very shallow to very deep, with short periods of apnea
Bradyapnea
abnormally slow breathing
Cyanosis
bluish discoloration of the skin, nailbeds, and mucous membranes
Diffusion
movement of gases from an area of greater pressure to an area of lower pressure
Emphysema
lung disorder cahracterized by elevated carbon dioxide levels, barrel chested appearance, and a hypoxic drive as main stimuli for respiration
Erythrocytes
red blood cells
Eupnea
normal respirations
expectorate
spit out
hematocrit
the percentage of blood that is erythrocytes
hemoglobin
oxygen carrying red pigment
hemothorax
accumulation of blood in the pleural space
Humidifiers
devices that add water vapor to inspired air
Hypercapnia
increased levels of CO2
Hypercarbia
hypercapnia
Hyperinflation
involves giving patient breaths of greater volume than set on ventilator or via manual resuscitation bag
Hyperoxygenation
performed by increasing oxygen flow before and after suctioning attempts
Hyperventilate
increasing the number of breaths the patient is receiving
Hypoxemia
low levels of oxygen in the blood
Incentive spirometers
measure flow of air inhaled through mouthpiece; used to improve pulmonary ventilation
Intrapleural pressure
pressure in the pleural cavity surrounding the lungs
Intrapulmonary pressure
pressure within the lungs
Kussmaul's breathing
form of hyperventilation that accompanies metabolic acidosis
lung compliance
stretchability of lung tissue
lung recoil
continual tendency of the lungs to collapse away from the chest wall
Mucous clearance device (MCD)
used for patients with excessive secretions; assists in loosening mucus
Noninvasive ventilation
use of a mask that delivers pressurized oxygen without need for invasive tube
Orthopnea
inability to breathe easily unless sitting upright
oxyhemoglobin
compound of oxygen and hemoglobin carried to tissues
Partial pressure
pressure exerted by each gas in a mixture according to its concentration
Pleural effusion
excessive fluid in the pleural space
Pneumothorax
air collected in the pleural space
Postural drainage
drainage by gravity of secretions from various lung segments
Respiratory membrane
where gas exchange occurs between air on alveolar side and blood on the capillary side
Sputum
coughed-up material
Stridor
harsh, high-pitched sound during inspriations
Suctioning
aspirating secretions through a catheter connected to a suction machine or wall suction outlet
surfactant
lipoprotein that reduces surface tension in lungs without it lung expansion is exceedingly difficult
Tachypnea
faster than normal breathing
Tidal volume
the amount of air inspired and expired with each breath
Torr
millimeters of mercury
Vibration
series of vigorous quiverings produced by hands that are placed flat against the patient's chest wall
Dyspnea
difficult or labored breathing
Hypoxia
insufficient oxygen anywhere in the body
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Author
syrosaneli
ID
183908
Card Set
ch. 50 oxygenation
Description
oxygenation
Updated
2012-12-03T17:23:29Z
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